package com.chenshu.intercept_demo.interceptors;

import org.springframework.web.servlet.HandlerInterceptor;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

/**
 * Created with IntelliJ IDEA
 * Description
 * User：chenshu
 * Date：2024-04-21
 * Time：22:25
 */
public class LoginInterceptor implements HandlerInterceptor {
    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
        HttpSession session = request.getSession(false);
        if (session != null && session.getAttribute("user") != null) {
            return true;
        }
        response.setStatus(401);
        return false;
    }
}
